In order to protect the trees, the old man lives _________ in a _________ house, but he doesn’t fell _________.

A．alone, alone, lonely

B．lonely, alone, alone

C．lonely, lonely, alone

D．alone, lonely, lonely

当高层楼房下层起火，火势无法扑灭时，下列逃生措施中正确的是

①退到卫生间暂避     ②用湿毛巾捂住口鼻    ③匍匐前进，寻找安全出口 

④封闭房门           ⑤跳楼

A．①②③④ 　　

B．①③④⑤

C．②③④⑤

D．①②④⑤